# regula
## English
### Etymology

Learned borrowing from Latin rēgula (“rule”). Doublet of rail, regal, rigol, and rule.

### Noun

regula (plural regulae)
* A book of rules for a religious establishment.
* (architecture) One of the bands under a Doric triglyph or between the canals of the triglyphs.

## Asturian
### Verb

regula
* inflection of regular:
** third-person singular present indicative
** second-person singular imperative

## Catalan
### Pronunciation

* IPA: (Central, Balearic) [rəˈɣu.lə]
* IPA: (Valencia) [reˈɣu.la]

### Verb

regula
* inflection of regular:
** third-person singular present indicative
** second-person singular imperative

## Galician
### Verb

regula
* inflection of regular:
** third-person singular present indicative
** second-person singular imperative

## Ladin
### Verb

regula
* inflection of reguler:
** third-person singular present indicative
** third-person plural present indicative
** second-person singular imperative

## Latin
### Etymology

From regō (“I rule, govern”) +‎ -ula.

### Pronunciation

* (Classical Latin) IPA: /ˈreː.ɡu.la/, [ˈreːɡʊɫ̪ä]
* (modern Italianate Ecclesiastical) IPA: /ˈre.ɡu.la/, [ˈrɛːɡulä]

### Noun

rēgula f (genitive rēgulae); first declension
* rule, bar
* ruler (measuring or drawing device)

#### Declension

First-declension noun.

#### Derived terms

* exceptiō probat rēgulam

#### Descendants

* Padanian:
** Lombard: reigia, règlia, riggia, reggia
*** →⇒ Italian: reggetta
** Romagnol: régula, regula
** Romansch: regla
* Northern Gallo-Romance:
** Old French: reille, roille, riule
*** → Middle English: reule, rewle, rule
**** English: rule
*** French (dialectal): rille
* Southern Gallo-Romance:
** Aragonese: rella
** Catalan: rella
** Occitan: relha
* Ibero-Romance:
** Aragonese: rella
** Asturian: reya
** Extremaduran: arreya
** Old Galician-Portuguese: relha
*** Galician: rella
*** Portuguese: relha
** Old Spanish: rexa
*** Spanish: reja
*** → Catalan: reixa
*** → Galician: reixa
* Insular Romance:
** Sardinian: regra, arregra, rega, regia, reja
* Ancient borrowings:
** → Berber: tirigliwin
** → Proto-Brythonic: *rreɣol (from rĕgula with shortened vowel)
*** Old Breton: regul
**** Middle Breton: reul, reol, reoll
***** Breton: reol
*** Middle Cornish: rovle
*** Middle Welsh: reol, ryol
**** Welsh: rheol
** → Old Irish: ríagol, ríagul
*** Middle Irish: ríagal
**** Irish: riail
**** Scottish Gaelic: riaghail
** → Proto-West Germanic: *regulā (see there for further descendants)
* Later borrowings:
** → Albanian: rregull
** → Asturian: regla
** → Catalan: règula
** → French: règle
** → Galician: regra
** → Italian: regola
** → Portuguese: regra, régua
** → Romanian: regulă
** → Sicilian: règula, rìgula
** → Spanish: regla
*** → Tagalog: regla

### Verb

rēgulā
* second-person singular present active imperative of rēgulō

### References

* “regula”, in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
* “regula”, in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
* regula in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
* regula in Gaffiot, Félix (1934) Dictionnaire illustré latin-français, Hachette.
* “regula”, in The Perseus Project (1999) Perseus Encyclopedia‎
* “regula”, in Harry Thurston Peck, editor (1898), Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
* “regula”, in William Smith et al., editor (1890), A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
* Walther von Wartburg (1928–2002) “rēgŭla”, in Französisches Etymologisches Wörterbuch, volume 10: R, page 217

## Portuguese
### Verb

regula
* inflection of regular:
** third-person singular present indicative
** second-person singular imperative

## Romagnol
### Etymology

Learned borrowing from Latin regūla (“rule, measuring rod”).

### Pronunciation

   * (Central Romagnol): IPA: [ˈɾeɡulɐ]

### Noun

regula f (plural regul)
* the old family unit of peasant families with a patriarchal structure
* class, rank, social class

### References

* Masotti, Adelmo (1996) Vocabolario Romagnolo Italiano [Romagnol-Italian dictionary] (in Italian), Bologna: Zanichelli, page 498

## Romanian
### Pronunciation

* IPA: /re.ɡuˈla/

### Etymology 1

Borrowed from French réguler, borrowed from Latin regulare. Doublet of regla.

#### Verb

a regula (third-person singular present regulează, past participle regulat) 1st conjugation
* to arrange, set in order, put in order
* to regulate
* to set
* (colloquial) to fuck, to screw, to bang (someone)

##### Derived terms

* regulat

##### Related terms

* regla
* regulă

### Etymology 2
#### Noun

regula
* definite nominative/accusative singular of regulă

## Serbo-Croatian
### Etymology

Learned borrowing from Latin rēgula.

### Pronunciation

* IPA: /rêɡula/
* Hyphenation: re‧gu‧la

### Noun

rȅgula f (Cyrillic spelling ре̏гула)
* (colloquial) rule, regulation, custom, order

#### Declension
### References

* “regula”, in Hrvatski jezični portal [Croatian language portal] (in Serbo-Croatian), 2006–2025

## Spanish
### Pronunciation

* IPA: /reˈɡula/ [reˈɣ̞u.la]
* Rhymes: -ula
* Syllabification: re‧gu‧la

### Verb

regula
* inflection of regular:
** third-person singular present indicative
** second-person singular imperative